Power flow sensing for fast acting overload protection for sources and shakers

Qohm

The latest generation 4 inch drivers has now been built into the new Qohm sources. The weight is further down to 3.1 Kg. The specification level is increased also; bringing the sound power level up to 123 dB Lw, and the 50 Hz band level up to 98 dB Lw which is the highest seen in the industry.

Qohm72

QamMeasurement power amplifier

High power and light weight measurement amplifier, combining 2.3 kg weight weight with 800 Watt output in a small robust housing. The amplifier is DSP controlled, with a very straightforward operation. Included is a white/pink noise signal generator. ​​​

NEWQref ​Omni-directional power reference source

​Precision omni-directionallity semi-free-field, horizontal and vertical in the 50 to 5000 Hz third octave bands. Small and light weight at 0.8 kg only. Extremely stable and high output sound power at Lw 97 dB. Can be used in calibrated fixed output level mode and in a free-signal mode using the power proportional output ref. signal.Supplied as a set with a dedicated QamR amplifier. Each unit delivered with an accredited calibration (ISO 9626)